Xxi Dumau International Jiu Jitsu Championship 2025. (gi Event Male Grey Kid 5 Light Feather 4 Mins ~37.6kg 6 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Tanase Rei Nex JPN Kobayashi Yuto Blast Bjj Studio Fight 57 Mat 2 3 May 5:07AM Haruma Ohori Evox Bjj Watanabe Rairu Impacto Bjj Japan JPN JPN Fight 58 Mat 2 3 May 5:11AM JPN Ishii Rensei Hassern Gym Kodama Shimpei Splash JPN Kobayashi Yuto Blast Bjj Studio Ishii Rensei Hassern Gym JPN JPN Fight 61 Mat 2 3 May 5:20AM Watanabe Rairu Impacto Bjj Japan Kodama Shimpei Splash JPN JPN Fight 62 Mat 2 3 May 5:24AM Ishii Rensei Hassern Gym Watanabe Rairu Impacto Bjj Japan JPN JPN Fight 69 Mat 2 3 May 6:07AM Watanabe Rairu Impacto Bjj Japan JPN